Extruded base frame with adjustable track system for a wheelchair



FIG. 1 is a perspective view of an extruded base frame with adjustable track system for a wheelchair showing our new design;

FIG. 2 is a left side view thereof;

FIG. 3 is a left side view of a second embodiment of the extruded base frame;

FIG. 4 is a rear elevational view of the embodiment shown in FIGS. 1 and 2;

FIG. 5 is a rear elevational view of the embodiment shown in FIG. 3;

FIG. 6 is a front elevational view of the embodiments shown in FIGS. 1 through 5;

FIG. 7 is a right side view of the embodiments shown in FIGS. 1 through 5; and

FIG. 8 is a top plan view of the embodiments shown in FIGS. 1 through 5; and,

FIG. 9 is a bottom plan view of the embodiments shown in FIGS. 1 through 5.

The broken line in FIG. 1 showing the frame and strut is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for an extruded base frame with adjustable track system for a wheelchair, as shown and described. 